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In humans, a single transverse palmar crease is a single crease that extends across the palm of the hand, formed by the fusion of the two palmar creases.Although it is found more frequently in persons with several abnormal medical conditions, it is not predictive of any of these conditions since it is also found in persons with no abnormal medical conditions.
A palmar crease is a type of crease on the palm. A single transverse palmar crease also called simian crease is sometimes associated with Down syndrome . [ 1 ] Other types of creases include the Sydney crease and the Suwon , or double transverse palmar crease.
Beau's lines are horizontal, going across the nailline, and should not be confused with vertical ridges going from the bottom of the nail out to the fingertip. These vertical lines are usually a natural consequence of aging and are harmless. [3] [4] Beau's lines should also be distinguished from Muehrcke's lines of the
The palms of your hands can teach you a lot about your past, present, and future. Here, two hand analysts explain the basics of palmistry, from mounts to lines.
The arch passes across the palm in a curve (Boeckel's line) with its convexity downward, With the thumb fully extended, the superficial palmar arch would lie approximately 1 cm from a line drawn between the first web space to the hook of hamate (Kaplan's cardinal line). The superficial palmar arch extends more distally than the deep palmar arch.
Vertical lines: Midline, lateral sternal line, parasternal line and midclavicular line. Horizontal lines: Level of the sternal angle, and zipho-sternal line. Anatomical "lines", or "reference lines," are theoretical lines drawn through anatomical structures and are used to describe anatomical location.
Langer's lines, Langer lines of skin tension, or sometimes called cleavage lines, are topological lines drawn on a map of the human body. They are parallel to the natural orientation of collagen fibers in the dermis, and generally parallel to the underlying muscle fibers. Langer's lines have relevance to forensic science and the development of ...
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